All of Ueshiba's exploits are things that other Daito ryu masters did. You can even see Kodo and Okamoto on video replicating some of them. That heaven/earth pose? Check out pictures of Takeda and Hisa. They're both shown doing that.

If you want to start listing "physical phenomenon" that you label as ki, then check out the Daito ryu masters and their students who have gotten aiki. The real aiki, not move aside and harmonize.